v3.26.1
Select Bond Portfolio Investment Objectives and Goals - Select Bond Portfolio
Dec. 31, 2025
Prospectus [Line Items]  
Risk/Return [Heading] Select Bond Portfolio – Summary
Objective [Heading] <span style="color:#000000;font-family:Arial;font-size:10.02pt;font-weight:bold;">INVESTMENT OBJECTIVE</span>
Objective, Primary [Text Block] The primary investment objective of the Portfolio is to provide as high a level of total return as is consistent with prudent investment risk.
Objective, Secondary [Text Block]  A secondary objective is to seek preservation of shareholders' capital.